Umbrella shelter



FIG. 1 is a front, bottom and right side perspective view showing my new design.

FIG. 2 is a front view.

FIG. 3 is a rear view.

FIG. 4 is a left side view.

FIG. 5 is a right side view.

FIG. 6 is a top view; and,

FIG. 7 is a bottom view.

The shaded areas in FIGS. 1, 2 and 7 are screen mesh in dotted lines and are not claimed. The U-shaped features shown in dotted lines in the Figures are zippers and are not claimed.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an umbrella shelter, as shown and described. 